According to memoirs and diary notes, the British Major General recreates the true history of the actions of the expeditionary force entrusted to him, which arrived in Baku in August 1918. Reveals the tasks assigned to the group, which by the name of the commander began to be called "Dunsterforce," as well as data on the number and national composition of the soldiers and the nickname at their disposal. It tells of a difficult path, about 400 miles long, from Persia to the Caucasus through difficult mountainous areas through the Asabad Pass. Gives a description of a temporary alliance with a detachment of Cossacks led by L. Bicherakhov and Centrocaspia, who had received power in Baku by that time. He talks in detail about participation in the defense of Baku from Turkish troops and retreat from the city. The book contains valuable information regarding the socio-political situation in the region.